Tool holder



FIG. 1 is a right, front perspective view of a tool holder showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a right, rear perspective view thereof; and,

FIG. 9 is a perspective view thereof.

The portions shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM I claim the ornamental design for a tool holder, as shown and described. 